Ann Ist Super Sanità 2015 | Vol. 51, No. 1 A nnali dell’Istituto Superiore di Sanità Vol. 51, No. 1 2015 Contents Letter 1 Virtual Reality Environments for healthcare professional education - addressing the gaps in the evidence Nakul Saxena Editorial 3 The “Code of Ethics of the Italian National Institute of Health” Gualtiero Ricciardi and Carlo Petrini Original 5 articles and reviews NGF and therapeutic prospective: what have we learned from the NGF transgenic models? Luigi Aloe and Maria Luisa Rocco 11 A quality assessment of systematic reviews on telerehabilitation: what does the evidence tell us? Marco Rogante, Dahlia Kairy, Claudia Giacomozzi and Mauro Grigioni 19 Ethyl glucuronide in vitreous humor and blood postmortem specimens: analysis by liquid chromatography-electrospray tandem mass spectrometry and interpreting results of neo-formation of ethanol Sara Vezzoli, Marzia Bernini and Francesco De Ferrari 28 Incense, sparklers and cigarettes are significant contributors to indoor benzene and particle levels Werner Tirler and Gaetano Settimo Ann Ist Super Sanità 2015 | Vol. 51, No. 1 34 Information retrieval for the Cochrane systematic reviews: the case of breast cancer surgery Gaetana Cognetti, Laura Grossi, Antonio Lucon and Renata Solimini 40 The role of associative and non-associative learning in the training of horses and implications for the welfare (a review) Paolo Baragli, Barbara Padalino and Angelo Telatin 60 Brief Notes Foodborne botulism associated with home-preserved turnip tops in Italy Fabrizio Anniballi, Elisa Chironna, Sara Astegiano, Alfonsina Fiore, Bruna Auricchio, Giuseppina Buonincontro, Maria Corvonato, Vincenzo Segala, Giuseppina Mandarino, Dario De Medici and Lucia Decastelli 62 A study on prophagic and chromosomal sodC genes involvement in Escherichia coli O157:H7 biofilm formation and biofilm resistance to H2O2 Raffaella Scotti, Laura Nicolini, Annarita Stringaro and Roberta Gabbianelli 67 Preliminary investigation on tick fauna in the neighborhood of Tarquinia, Lazio, Italy Luciano Toma, Cristina Khoury, Riccardo Bianchi, Francesco Severini, Francesca Mancini, Alessandra Ciervo, Daniele Ricci, Anna Maria Fausto and Marco Di Luca 71 Barriers in the management of cancer-related pain and strategies to overcome them: findings of a qualitative research involving physicians and nurses in Italy Cesarina Prandi, Lorenza Garrino, Paola Mastromarino, Francesco Torino, Ercole Vellone, Carlo Peruselli and Rosaria Alvaro 79 The perception of the fetus in mothers with liver transplantation. Brief communication. Alessandra Ambrosini, Erica Paddeu, Gianpaolo Donzelli and Giovanni Stanghellini 83 Book Reviews, Notes and Comments Edited by Federica Napolitani Cheyne 86 Publications from International Organizations on Public Health Edited by Anna Maria Rossi